School : He was the First Boy of Impur Christian School and Captain of School Football Team and in (1937 he was the Best Footballer of All Assam Inter School Football Championship) then Jorhat Christian Mission School and also he was the Captain of School Football Team.

College : Cotton College of Guahati, Assam as a Science Student and also the Captain of College Football team.

Degree : MBBS from R.G.Kar Medical College and Hospital, Kolkata.(1950)

First Club : Maharana Club of Guahati,Assam.

Kolkata Big Club : Mohunbagan A.C and was the Captain for 3 Times.
(1943-1952) He was the first NAGA community Captain of Mohunbagan.

In 1953, the Government posted him as Assistant Civil Surgeon, to Kohima Hospital, Nagaland. Dr.T.Ao rose to become the first Naga Director of Health Services. He held this post till his retirement in 1978.

Death : 13th September 1998, in Kohima, Nagaland.

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